US natural food distributor United Natural Foods has announced the appointment of Rick Antonelli to the position of president of the Eastern Region and the promotion of Dan Atwood to the newly created position of senior vice president. Antonelli served as director of sales for United Natural Foods, and a predecessor company, from 1982 through July 2001 and most recently was president of privately held Fairfield Farm Kitchens. He assumes the role of president of the Eastern Region of United Natural Foods from Steven Townsend, who will continue to serve as president of United Natural Foods. Antonelli will have direct responsibility for leading the growth, profitability and customer support of the company's Eastern Region.